command: apt-key list 2>&1 | grep -q expired: exit-status: 1 stdout: [] stderr: [] timeout: 10000 apt-key list --with-colons | grep '^pub' | cut -d':' -f 5 | egrep -o '.{8}$': exit-status: 0 stdout: - "!A42C4F2A" stderr: [] timeout: 10000